RVISmith: Fuzzing Compilers for RVV Intrinsics

Modern processors are equipped with single instruction multiple data SIMD instructions for fine-grained data parallelism. Compiler auto-vectorization techniques that target SIMD instructions face performance limitations due to insufficient information available at compile time, requiring...

CVE-2024-44067

The T-Head XuanTie C910 CPU in the TH1520 SoC and the T-Head XuanTie C920 CPU in the SOPHON SG2042 have instructions that allow unprivileged attackers to write to arbitrary physical memory locations, aka GhostWrite...

CVE-2024-44067

The T-Head XuanTie C910 CPU in the TH1520 SoC and the T-Head XuanTie C920 CPU in the SOPHON SG2042 have instructions that allow unprivileged attackers to write to arbitrary physical memory locations, aka GhostWrite...

CVE-2024-44067

The T-Head XuanTie C910 CPU in the TH1520 SoC and the T-Head XuanTie C920 CPU in the SOPHON SG2042 have instructions that allow unprivileged attackers to write to arbitrary physical memory locations, aka GhostWrite...

CVE-2024-44067

The T-Head XuanTie C910 CPU in the TH1520 SoC and the T-Head XuanTie C920 CPU in the SOPHON SG2042 have instructions that allow unprivileged attackers to write to arbitrary physical memory locations, aka GhostWrite...

CVE-2024-44067

CVE-2024-44067 affects the T-Head XuanTie C910 (TH1520 SoC) and XuanTie C920 (SOPHON SG2042); an instruction in these CPUs allows unprivileged attackers to write to arbitrary physical memory (GhostWrite). Reported impact is high for confidentiality, integrity, and availability (CVSSv3.1: 8.4, Loc...

T-Head XuanTie C910和C920 安全漏洞

The T-Head XuanTie C910 and T-Head XuanTie C920 are both high-efficiency CPU processors from China-based T-Head. A security vulnerability exists in the T-Head XuanTie C910 and C920 that stems from an instruction that allows an unprivileged attacker to write to an arbitrary physical memory locatio...